Position Summary... What you'll do... About the Team As Site Reliability Engineers, we are a team of hybrid systems and software engineers who take ownership of reliability, scalability, and other issues related to uptime and availability of Walmart's e-commerce/Retail and Enterprise platforms. We design and build tools to improve reliability, enable scaling, and prevent re-occurrence of problems to mission-critical products/services. We influence new architectures, standards, and methods for large-scale enterprise systems, and participate in on-call rotation to secure the system from issues. What you'll do: Design, write, and build tools to improve the reliability, latency, availability, and scalability of Walmart e-commerce/Retail and Enterprise products. Engender reliability and availability starting with metrics and measurements. Enable scaling by providing tools, developing training, and/or augmenting processes. Build tools/automate to prevent re-occurrence of problems in mission-critical products/services. Augment existing instrumentation to build a cohesive picture of system characteristics, with attention to points of failure. Participate in capacity planning, demand forecasting, software performance analysis, and system tuning. Develop a deep understanding of the numerous services and applications that deliver Walmart e-commerce/Retail and Enterprise products. Design new tools to monitor and create smart alerts for timely failure detection, working with engineers to identify root causes and fix issues. Influence, design, and create new architectures, standards, and methods for large-scale enterprise systems. Conduct root-cause analysis of complex problems involving multiple parties, networks, hardware, and software related to scaling and performance. Participate in on-call rotation. Secure the system from issues, whether real, perceived, or notional. Focus on collecting and inferring metrics documentation for system maintenance and building. Scripting and development responsibilities. Experience with configuration management tools such as Ansible, Saltstack, Chef, and Puppet. Build and drive automation systems to maintain system health. Eliminate single points of failure and regularly test disaster recovery and high availability. What you'll bring: 6+ years in a software development, DevOps, or SRE role. Experience in designing, investigating, analyzing, and troubleshooting large-scale enterprise systems. Methodical problem-solving approach, ownership, initiative, and drive. Fluency in running services at scale; in-depth understanding of Unix systems internals and networking. Networking knowledge including protocols (TCP/IP, UDP, ICMP), MAC addresses, IP packets, DNS, OSI layers, and load balancing. Understanding of Unix/Linux systems from kernel to shell, including system libraries, file systems, and client-server protocols; experience administering Linux in production. Programming experience in Go, Java, Python, Ruby, Shell. Bachelor's Degree in Computer Science or related field, or relevant work experience. Experience with distributed version control like Git. Experience with cloud providers such as AWS, Azure, GCP, or OpenStack. Experience with containerization platforms like Docker, Kubernetes, OpenShift, or Mesosphere. Experience with enterprise monitoring solutions like Dynatrace, New Relic, Prometheus, Grafana, Nagios, Splunk. Familiarity with CI/CD tools such as Jenkins, Maven, Nexus. *Immigration sponsorships are not available for this role.* Join Walmart Global Tech to work in an environment where a single line of code can impact millions. We are a team of software engineers, data scientists, cybersecurity experts, and service professionals leading the future of retail innovation. We value people-led, tech-empowered culture, providing training and growth opportunities, and fostering an inclusive environment. We offer flexible, hybrid work arrangements, combining in-office collaboration with virtual work to facilitate quicker decisions and remove location barriers. Benefits: Competitive pay, performance bonuses, health benefits, PTO, 401(k), stock purchase, and more. Equal Opportunity Employer: Walmart is committed to an inclusive environment respecting diverse styles, experiences, and ideas. #J-18808-Ljbffr Walmart
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